Neptune 7000Z Mechanical Diaphragm Metering Pump

Name: Neptune 7000Z Mechanical Diaphragm Metering Pump
Brand: Neptune

7000Z mechanical diaphragm pump. 2–4,200 L/h (0.5–1,109.6 gph), max 12 bar (175 psi). NPAG/NPBG/NPCG frames; suction lift to 9 m; optional double-diaphragm rupture alarm.

Max flow

2 – 4,200 L/h（0.5 – 1,109.6 gph）

Max pressure

12 bar (175 psi); PVC/PVDF/SS same pressure limit

Turndown / accuracy

—

Wetted materials

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Protection

—

Power

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Inquire Now Download datasheetxiongxiaoyang55@gmail.com

Best for: verifying flow/pressure and control interfaces against your dosing duty (Mechanical Diaphragm Pumps). Confirm chemical compatibility and install constraints before ordering — inquire for help.

Features

Wide flow range 2–4,200 L/h
PVC / PVDF / 316SS liquid ends
Suction lift up to 9 m (30 ft)
Adjustable eccentric, low pulsation
Optional mechanical double-diaphragm rupture alarm
Special liquid ends for HV/slurry/acid/NaOCl
0–100% stroke adjust while running or stopped

Specifications

Flow range	2 – 4,200 L/h（0.5 – 1,109.6 gph）
Max pressure	12 bar (175 psi); PVC/PVDF/SS same pressure limit
Suction lift	to 9 m (30 ft)
Viscosity	water up to approx. 3,500 cPs
Frames	NPAG (approx. 2–170 L/hNPBG (approx. 25–500 L/hNPCG (approx. 330–1,800 L/h)
Drive	mechanical diaphragm
Brand	Neptune (PSG Dover)

Applications

Municipal/industrial water

Chemical processing

Mining

Volatile chemicals

High-viscosity fluids

Materials & media

Ask for wetted-parts details or check the brochure.

Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.

Controls & communication

Control options are listed in notes or confirmed on inquiry.

Models & specs

Model	Flow	Pressure	Notes
NPAG0002～NPAG0010	approx. 2–10 L/h class	to 12 bar (175 psi)	small flow NPAG; PVC/PVDF
NPAG0025～NPAG0050	approx. 25–50 L/h class	to 12 bar (175 psi)
NPAG0090～NPAG0175	approx. 90–170 L/h	to 12 bar (175 psi)	NPAG 2~170 L/h
NPBG0025～NPBG0050	approx. 25–50 L/h class	to 12 bar (175 psi)
NPBG0090～NPBG0500	approx. 90–500 L/h	to 12 bar (175 psi)	NPBG 25~500 L/h
NPCG0300～NPCG0400	approx. 300–400 L/h class	to 12 bar (175 psi)
NPCG0500～NPCG0700	approx. 500–700 L/h class	to 12 bar (175 psi)
NPCG1000～NPCG1800	approx. 1,000–1,800 L/h	to 12 bar (175 psi)	NPCG 330~1,800 L/h; series upper limit to 4,200 L/h